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  <title>Patch a file with a binary diff</title>

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</div><hr /><div id="function.xdiff-file-bpatch" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">xdiff_file_bpatch</h1>
  <p class="verinfo">(PECL xdiff &gt;= 1.5.0)</p><p class="refpurpose"><span class="refname">xdiff_file_bpatch</span> &mdash; <span class="dc-title">Patch a file with a binary diff</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.xdiff-file-bpatch-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">bool</span> <span class="methodname"><strong>xdiff_file_bpatch</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$file</code></span>
   , <span class="methodparam"><span class="type">string</span> <code class="parameter">$patch</code></span>
   , <span class="methodparam"><span class="type">string</span> <code class="parameter">$dest</code></span>
   )</div>

  <p class="para rdfs-comment">
   Patches a <em><code class="parameter">file</code></em> with a binary
   <em><code class="parameter">patch</code></em> and stores the result in a file <em><code class="parameter">dest</code></em>. 
   This function accepts patches created both via <span class="function"><a href="function.xdiff-file-bdiff.html" class="function">xdiff_file_bdiff()</a></span> 
   and <span class="function"><a href="function.xdiff-file-rabdiff.html" class="function">xdiff_file_rabdiff()</a></span> functions or their string counterparts.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.xdiff-file-bpatch-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">file</code></em></dt>

     <dd>

      <p class="para">
       The original file.
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">patch</code></em></dt>

     <dd>

      <p class="para">
       The binary patch file.
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">dest</code></em></dt>

     <dd>

      <p class="para">
       Path of the resulting file.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.xdiff-file-bpatch-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.xdiff-file-bpatch-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-2386">
    <p><strong>Example #1 <span class="function"><strong>xdiff_file_bpatch()</strong></span> example</strong></p>
    <div class="example-contents"><p>
     The following code applies binary diff to a file.
    </p></div>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$old_version&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'archive-1.0.tgz'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$patch&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'archive.bpatch'</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$result&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">xdiff_file_bpatch</span><span style="color: #007700">(</span><span style="color: #0000BB">$old_version</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$patch</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'archive-1.1.tgz'</span><span style="color: #007700">);<br />if&nbsp;(</span><span style="color: #0000BB">$result</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">"File&nbsp;patched"</span><span style="color: #007700">;<br />}&nbsp;else&nbsp;{<br />&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">"File&nbsp;couldn't&nbsp;be&nbsp;patched"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>


 <div class="refsect1 notes" id="refsect1-function.xdiff-file-bpatch-notes">
  <h3 class="title">注释</h3>
  <blockquote class="note"><p><strong class="note">Note</strong>: 
   <p class="para">
    Both files (<em><code class="parameter">file</code></em> and <em><code class="parameter">patch</code></em>)
    will be loaded into memory so ensure that your memory_limit is set high
    enough.
   </p>
  </p></blockquote>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.xdiff-file-bpatch-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.xdiff-file-bdiff.html" class="function" rel="rdfs-seeAlso">xdiff_file_bdiff()</a> - Make binary diff of two files</span></li>
    <li class="member"><span class="function"><a href="function.xdiff-file-rabdiff.html" class="function" rel="rdfs-seeAlso">xdiff_file_rabdiff()</a> - Make binary diff of two files using the Rabin's polynomial fingerprinting algorithm</span></li>
   </ul>
  </p>
 </div>


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